feat(frontend): update typescript to 2.2.1

Author: kucharzyk

package.json

@@ -62,7 +62,7 @@
     "rimraf": "2.6.0",
     "ts-node": "2.1.0",
     "tslint": "4.4.2",
-    "typescript": "2.1.6"
+    "typescript": "2.2.1"
   },
   "scripts": {
     "clean": "npm cache clean && rimraf coverage src/main/resources/static/*",